<template>
  <div class="publics-upload">
    <h2>图片上传</h2>
    <!--
          action 上传的图片地址
          on-success 成功的回调
         -->
    <el-upload
      class="avatar-uploader"
      :action="uploadURL"
      :show-file-list="false"
      :headers="getAuth"
      :on-success="handleAvatarSuccess"
    >
      <img v-if="imageUrl" :src="imageUrl" class="avatar" />
      <i v-else class="el-icon-plus avatar-uploader-icon"></i>
      <div slot="tip" class="el-upload__tip">
        只能上传jpg/png文件，且不超过500kb
      </div>
    </el-upload>
  </div>
</template>
<script>
export default {
  data: () => ({
    imageUrl: ''
  }),
  methods: {
    handleAvatarSuccess(res, file) {
      this.imageUrl = URL.createObjectURL(file.raw)
    }
  }
}
</script>
<style lang="scss">
.publics-upload {
  .avatar-uploader {
    .el-upload {
      border: 1px dashed #d9d9d9;
      border-radius: 6px;
      cursor: pointer;
      position: relative;
      overflow: hidden;
    }
    .avatar-uploader .el-upload:hover {
      border-color: #409eff;
    }
  }
  .avatar-uploader-icon {
    font-size: 28px;
    color: #8c939d;
    width: 178px;
    height: 178px;
    line-height: 178px;
    text-align: center;
  }
  .avatar {
    width: 178px;
    height: 178px;
    display: block;
  }
}
</style>